Merge "Only allow 1 Stack on Leanback-only devices" into lmp-preview-dev (4f8a92bd) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/ActivityStackSupervisor.java

+23 −1

Original line number	Diff line number	Diff line
		@@ -204,6 +204,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
		/** Set when we have taken too long waiting to go to sleep. */
		boolean mSleepTimeout = false;

		/** Indicates if we are running on a Leanback-only (TV) device. Only initialized after
		* setWindowManager is called. **/
		private boolean mLeanbackOnlyDevice;

		/**
		* We don't want to allow the device to go to sleep while in the process
		* of launching an activity. This is primarily to allow alarm intent
		@@ -268,6 +272,9 @@ public final class ActivityStackSupervisor implements DisplayListener {
		mHomeStack = mFocusedStack = mLastFocusedStack = getStack(HOME_STACK_ID);

		mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);

		// Initialize this here, now that we can get a valid reference to PackageManager.
		mLeanbackOnlyDevice = isLeanbackOnlyDevice();
		}
		}

		@@ -1375,7 +1382,10 @@ public final class ActivityStackSupervisor implements DisplayListener {

		ActivityStack adjustStackFocus(ActivityRecord r, boolean newTask) {
		final TaskRecord task = r.task;
		if (r.isApplicationActivity() \|\| (task != null && task.isApplicationTask())) {

		// On leanback only devices we should keep all activities in the same stack.
		if (!mLeanbackOnlyDevice &&
		(r.isApplicationActivity() \|\| (task != null && task.isApplicationTask()))) {
		if (task != null) {
		final ActivityStack taskStack = task.stack;
		if (taskStack.isOnHomeDisplay()) {
		@@ -3423,4 +3433,16 @@ public final class ActivityStackSupervisor implements DisplayListener {
		return "VirtualActivityDisplay={" + mDisplayId + "}";
		}
		}

		private boolean isLeanbackOnlyDevice() {
		boolean onLeanbackOnly = false;
		try {
		onLeanbackOnly = AppGlobals.getPackageManager().hasSystemFeature(
		PackageManager.FEATURE_LEANBACK_ONLY);
		} catch (RemoteException e) {
		// noop
		}

		return onLeanbackOnly;
		}
		}